Since 2003 PLX Widebands have pioneered in wideband oxygen sensor technology and internal combustion engine tuning. Capable of measuring the precise air/fuel ratio from 0.68-1.38 lambda (10 - 20 AFR gasoline), with < 0.1AFR accuracy and ultra fast sensor reaction time, our widebands are the ideal tuning tool for any internal combustion engine using gasoline, diesel, ethanol, methanol, CNG, LPG, and E85. PLX widebands include 0-5V analog outputs for aftermarket interface with ECU's, data loggers and any other 3rd party electronics. It also includes a 0-1V output for narrowband oxygen sensor simulation and a digital serial output for connecting additional gauges for visual readout.

Touch Screen Multi-Gauge - Daisy-chain up to 16 sensors
The PLX wideband SM-AFR module coupled with our DM-6 touch screen gauge allows you to daisy-chain up to 16 additional sensor modules. The DM-6 gauge automatically detects sensors allowing for a fully plug and play experience. Gauge parameters can be easily cycled as well as various gauge styles with a simple touch. Advanced features such as peak-hold, and intelligent warnings are also available. The DM-6 supports both US standard and metric units of measurement and it an ideal setup for monitoring wideband air/fuel ratio.

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Accurate, Fast, Reliable - Bosch LSU4.9 Sensor Controller
Since 2003 PLX Widebands have pioneered in wideband oxygen sensor technology and internal combustion engine tuning. Capable of measuring the precise air/fuel ratio from 0.68-1.38 lambda (10 - 20 AFR gasoline), with < 0.1AFR accuracy and ultra fast sensor reaction time, our widebands are the ideal tuning tool for any internal combustion engine using gasoline, diesel, ethanol, methanol, CNG, LPG, and E85. PLX widebands include 0-5V analog outputs for aftermarket interface with ECU's, data loggers and any other 3rd party electronics. It also includes a 0-1V output for narrowband oxygen sensor simulation and a digital serial output for connecting additional gauges for visual readout.
Touch Screen Multi-Gauge - Daisy-chain up to 16 sensors
The PLX wideband SM-AFR module coupled with our DM-6 touch screen gauge allows you to daisy-chain up to 16 additional sensor modules. The DM-6 gauge automatically detects sensors allowing for a fully plug and play experience. Gauge parameters can be easily cycled as well as various gauge styles with a simple touch. Advanced features such as peak-hold, and intelligent warnings are also available. The DM-6 supports both US standard and metric units of measurement and it an ideal setup for monitoring wideband air/fuel ratio.
http://www.plxdevices.com/PLX-Wideband-O2-Air-Fuel-Ratio-Sensor-Modules-Gauges-s/125.htm